Home / 13,104.92-18,102.48-10,470.80

Finding the Fourth Proportional to 13,104.92, 18,102.48 and 10,470.80

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Solution

The fourth proportional to 13,104.92, 18,102.48 and 10,470.80 is: 14,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.92 : 18,102.48 = 10,470.80 : x
  2. Step 2: Convert to fraction form
    13,104.92/18,102.48 = 10,470.80/x
  3. Step 3: Cross multiply
    13,104.92x = 18,102.48 × 10,470.80
  4. Step 4: Simplify right side
    13,104.92x = 189,547,447.58
  5. Step 5: Solve for x
    x = 189,547,447.58/13,104.92
  6. Step 6: Final answer
    x = 14,463.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.